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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $48,159 | $9,434 | $33,533 | $12,907 | $18,557 | $41,910 | $13,345 |
| Articulated link chain other than roller chain, of iron/steel | $8,401 | $52,691 | $22,406 | $22,936 | $183,552 | $2,324 | $15,656 |
| Parts of articulated link chain of iron/steel | $259 | $955 | $2,349 | $9,389 | $97,692 | $2,481 | $24,909 |
| Skid chain of iron/steel | $9,766 | $7,649 | $5,137 | $39,480 | $41,304 | $111,431 | $110,901 |
| Stud-link chain of iron/steel | | $9,926 | $4,458 | $454 | $86,117 | | |
| Welded link chain of iron/steel | $3,991 | $5,117 | $68,145 | $585 | $5,655 | $10,501 | $19,259 |
| Chain, of iron/steel, n.e.s. in 73.15 | $120,351 | $18,149 | $12,011 | $30,192 | $11,977 | $34,951 | $16,338 |
| Parts of chains (excl. articulated link chain), of iron/steel | $10,115 | $17,598 | $19,447 | $32,617 | $3,838 | $3,455 | $64,078 |
| Total | $201,042 | $121,519 | $167,486 | $148,560 | $448,692 | $207,053 | $264,486 |
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